Search a number
-
+
220020220011021 = 3131835563230929
BaseRepresentation
bin110010000001101101110011…
…000011101010001000001101
31001212000201122102121112212020
4302001231303003222020031
5212314302402310323041
62055535521012400353
764225636105524033
oct6201556303521015
91055021572545766
10220020220011021
116411806230a9a1
12208154866160b9
13959ca826bcc81
143c4906d478553
151a6836e14e866
hexc81b730ea20d

220020220011021 has 8 divisors (see below), whose sum is σ = 293382546324480. Its totient is φ = 146669020185792.

The previous prime is 220020220010999. The next prime is 220020220011043. The reversal of 220020220011021 is 120110022020022.

It is an interprime number because it is at equal distance from previous prime (220020220010999) and next prime (220020220011043).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220020220011021 - 25 = 220020220010989 is a prime.

It is a super-2 number, since 2×2200202200110212 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020220011061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2781575916 + ... + 2781655013.

It is an arithmetic number, because the mean of its divisors is an integer number (36672818290560).

Almost surely, 2220020220011021 is an apocalyptic number.

It is an amenable number.

220020220011021 is a deficient number, since it is larger than the sum of its proper divisors (73362326313459).

220020220011021 is a wasteful number, since it uses less digits than its factorization.

220020220011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563244115.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220020220011021 its reverse (120110022020022), we get a palindrome (340130242031043).

The spelling of 220020220011021 in words is "two hundred twenty trillion, twenty billion, two hundred twenty million, eleven thousand, twenty-one".

Divisors: 1 3 13183 39549 5563230929 16689692787 73340073337007 220020220011021